Flashcard library · Environmental Science · PaperFren
Rome NO2 maps 12 years apart still predict deaths
Land-use regression NO2 surfaces for Rome in 1995/96 and 2007 were highly correlated, and both predicted higher natural-cause mortality in a 2001–2006 adult cohort.
Keep what you just learned
Save these 11 cards to your NoteFren library. Your first review starts right away, and each card links back to the study it came from.
Why do people reuse old LUR maps?
They assume intra-urban pollution patterns change slowly.
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
Which city and pollutant?
Rome; nitrogen dioxide.
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
How many 2007 measurement sites?
78 sites with Ogawa samplers in three weeks.
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
Correlation of measured NO2 12 years apart?
Pearson r = 0.79 (0.83 background, 0.68 traffic).
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
1995/96 LUR vs 2007 measurements correlation?
0.73.
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
Mortality HRs for top vs bottom NO2 quintile?
1.10 (1995/96 map) and 1.11 (2007 map).
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
How many natural-cause deaths?
45,006 in the study period.
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
Cohort follow-up window?
Adult residents followed from 2001 to 2006.
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
Regression used for mortality?
Cox proportional hazards, adjusted for demographics and SES.
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
How was LUR validity checked?
Leave-one-out cross-validation.
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified
Where did agreement weaken?
Traffic sites (r = 0.68) versus urban background (0.83).
Source: Nitrogen dioxide levels estimated from land use regression models several years apart and association with mortality in a large cohort study · DOI · quote verified